About the Author: (from TheCollege Mathematics Journal, Vol. 22, No. 2, (1991)) Howard Eves received his mathematical education at Virginia, Harvard, and Princeton. His major interests are geometry, problem solving, and history. He has written over 25 books and published a large number of articles in mathematics, physics, engineering, and pedagogical journals, and in encyclopedias and other reference works. Among many editorial duties, he served for 25 years as a problems editor of The American Mathematical Monthly. He has lectured in almost every state of the Union, and is a recipient of many awards. Retired from the University of Maine, he is at present a Distinguished Visiting Professor at the University of Central Florida.